Mask for a display unit and display unit for an electronic display board



FIG. 1 shows a front view of the design according to a new design.

FIG. 2 shows a top view of the design thereof.

FIG. 3 shows a bottom view of the design thereof.

FIG. 4 shows a sectional view of the design thereof taken along the line 4—4 as shown in FIG. 1.

FIG. 5 shows a rear view of the design thereof.

FIG. 6 shows a perspective view of the design thereof.

FIG. 7 shows an enlarged fragmentary sectional view of the design thereof taken along the line 7—7 as shown in FIG. 4; and,

FIG. 8 shows an enlarged fragmentary sectional view of the design thereof taken along the line 8—8 as shown in FIG. 4. 

The ornamental design for a mask for display unit and display unit for an electronic display board, as shown and described. 